31427172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 91308672

約数和(自身を除く): 59881500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 311, 401, 622, 802, 933, 1203, 1244, 1604, 1866, 2177, 2406, 2799, 2807, 3609, 3732, 4354, 4812, 5598, 5614, 6531, 7218, 8421, 8708, 11196, 11228, 13062, 14436, 16842, 19593, 25263, 26124, 33684, 39186, 50526, 78372, 101052, 124711, 249422, 374133, 498844, 748266, 872977, 1122399, 1496532, 1745954, 2244798, 2618931, 3491908, 4489596, 5237862, 7856793, 10475724, 15713586, 31427172]

約数ペア:

[(1, 31427172), (2, 15713586), (3, 10475724), (4, 7856793), (6, 5237862), (7, 4489596), (9, 3491908), (12, 2618931), (14, 2244798), (18, 1745954), (21, 1496532), (28, 1122399), (36, 872977), (42, 748266), (63, 498844), (84, 374133), (126, 249422), (252, 124711), (311, 101052), (401, 78372), (622, 50526), (802, 39186), (933, 33684), (1203, 26124), (1244, 25263), (1604, 19593), (1866, 16842), (2177, 14436), (2406, 13062), (2799, 11228), (2807, 11196), (3609, 8708), (3732, 8421), (4354, 7218), (4812, 6531), (5598, 5614)]